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Interplay between parametric instabilities in the context of inertial confinement fusion

H A Baldis, C Labaune1997年Plasma Physics and Controlled FusionIF 2.2出版社

This paper presents recent experimental results that clearly demonstrate the complex interplay between parametric instabilities in a laser-produced plasma. These results include: (a) the interplay between ion acoustic waves (IAW) and electron plasma waves (EPW) associated with stimulated Brillouin scattering (SBS) and stimulated Raman scattering (SRS), (b) the interplay between IAW from two independent SBS decays when two interaction beams are present and (c) the observation of a secondary process, the Langmuir decay instability (LDI), which is the further decay of EPWs driven by SRS, into an IAW and a secondary EPW.

日本語訳

本論文は、レーザー生成プラズマにおけるパラメトリック不安定性間の複雑な相互作用を明確に実証する最近の実験結果を提示する。これらの結果には、(a) 誘導ブリルアン散乱(SBS)および誘導ラマン散乱(SRS)に関連するイオン音波(IAW)と電子プラズマ波(EPW)の間の相互作用、(b) 2つの独立した相互作用ビームが存在する場合の2つの独立したSBS崩壊からのIAW間の相互作用、および (c) SRSによって駆動されるEPWがIAWと二次EPWへさらに崩壊する過程であるラングミュア崩壊不安定性(LDI)の観測が含まれる。

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Inertial confinement fusionParametric instabilities
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